<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
    </el-card>

    <!-- table表格区域 -->
    <el-table :data="goodslist" stripe border>
      <el-table-column type="index" label="#"> </el-table-column>
      <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
      <el-table-column prop="goods_price" label="商品价格(元)" width="95px">
      </el-table-column>
      <el-table-column prop="goods_weight" label="商品重量" width="70px">
      </el-table-column>
      <el-table-column prop="add_time" label="创建时间" width="180px">
        <template slot-scope="scope">
          {{ scope.row.add_time | dateFormat }}
        </template>
      </el-table-column>
      <el-table-column label="操作" width="200px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"
            >编辑</el-button
          >
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeById(scope.row.goods_id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      background
    >
    </el-pagination>
  </div>
</template>

<script>
export default {
  name: 'List',
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      //this.$message.success('获取参数列表成功！')
      //console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 分页功能
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除按钮
    removeById(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(async () => {
          const { data: res } = await this.$http.delete('goods/' + id)
          if (res.meta.status !== 200) {
            return this.$message.error('删除失败！')
          }
          this.$message({
            type: 'success',
            message: '删除成功!',
          })
          this.getGoodsList()
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除',
          })
        })
    },
    // 添加商品按钮
    goAddpage() {
      this.$router.push('/goods/add')
    },
  },
}
</script>

<style></style>
